Danmallam, A., E. B. Agbaji, N. C. Nwokem, U. Sani, and C. O. Nwokem. “PLANT EXTRACT ADDITION FOR IMPROVED METHANE POTENTIAL OF TUBER PEEL”. FUDMA JOURNAL OF SCIENCES, Vol. 4, no. 2, Oct. 2020, pp. 699 -03, doi:10.33003/fjs-2020-0402-434.